| 1 | /* Support for complaint handling during symbol reading in GDB. |
| 2 | Copyright 1990, 1991, 1992, 1993, 1995, 1998, 1999, 2000 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "complaints.h" |
| 24 | #include "gdbcmd.h" |
| 25 | |
| 26 | extern void _initialize_complaints (void); |
| 27 | |
| 28 | /* Structure to manage complaints about symbol file contents. */ |
| 29 | |
| 30 | struct complaint complaint_root[1] = |
| 31 | { |
| 32 | { |
| 33 | (char *) NULL, /* Complaint message */ |
| 34 | 0, /* Complaint counter */ |
| 35 | complaint_root /* Next complaint. */ |
| 36 | } |
| 37 | }; |
| 38 | |
| 39 | /* How many complaints about a particular thing should be printed before |
| 40 | we stop whining about it? Default is no whining at all, since so many |
| 41 | systems have ill-constructed symbol files. */ |
| 42 | |
| 43 | static unsigned int stop_whining = 0; |
| 44 | |
| 45 | /* Should each complaint be self explanatory, or should we assume that |
| 46 | a series of complaints is being produced? |
| 47 | case 0: self explanatory message. |
| 48 | case 1: First message of a series that must start off with explanation. |
| 49 | case 2: Subsequent message, when user already knows we are reading |
| 50 | symbols and we can just state our piece. */ |
| 51 | |
| 52 | static int complaint_series = 0; |
| 53 | |
| 54 | \f |
| 55 | |
| 56 | /* Functions to handle complaints during symbol reading. */ |
| 57 | |
| 58 | /* Print a complaint about the input symbols, and link the complaint block |
| 59 | into a chain for later handling. */ |
| 60 | |
| 61 | void |
| 62 | complain (struct complaint *complaint,...) |
| 63 | { |
| 64 | va_list args; |
| 65 | va_start (args, complaint); |
| 66 | |
| 67 | complaint->counter++; |
| 68 | if (complaint->next == NULL) |
| 69 | { |
| 70 | complaint->next = complaint_root->next; |
| 71 | complaint_root->next = complaint; |
| 72 | } |
| 73 | if (complaint->counter > stop_whining) |
| 74 | { |
| 75 | return; |
| 76 | } |
| 77 | wrap_here (""); |
| 78 | |
| 79 | switch (complaint_series + (info_verbose << 1)) |
| 80 | { |
| 81 | |
| 82 | /* Isolated messages, must be self-explanatory. */ |
| 83 | case 0: |
| 84 | if (warning_hook) |
| 85 | (*warning_hook) (complaint->message, args); |
| 86 | else |
| 87 | { |
| 88 | begin_line (); |
| 89 | fputs_filtered ("During symbol reading, ", gdb_stderr); |
| 90 | wrap_here (""); |
| 91 | vfprintf_filtered (gdb_stderr, complaint->message, args); |
| 92 | fputs_filtered (".\n", gdb_stderr); |
| 93 | } |
| 94 | break; |
| 95 | |
| 96 | /* First of a series, without `set verbose'. */ |
| 97 | case 1: |
| 98 | if (warning_hook) |
| 99 | (*warning_hook) (complaint->message, args); |
| 100 | else |
| 101 | { |
| 102 | begin_line (); |
| 103 | fputs_filtered ("During symbol reading...", gdb_stderr); |
| 104 | vfprintf_filtered (gdb_stderr, complaint->message, args); |
| 105 | fputs_filtered ("...", gdb_stderr); |
| 106 | wrap_here (""); |
| 107 | complaint_series++; |
| 108 | } |
| 109 | break; |
| 110 | |
| 111 | /* Subsequent messages of a series, or messages under `set verbose'. |
| 112 | (We'll already have produced a "Reading in symbols for XXX..." |
| 113 | message and will clean up at the end with a newline.) */ |
| 114 | default: |
| 115 | if (warning_hook) |
| 116 | (*warning_hook) (complaint->message, args); |
| 117 | else |
| 118 | { |
| 119 | vfprintf_filtered (gdb_stderr, complaint->message, args); |
| 120 | fputs_filtered ("...", gdb_stderr); |
| 121 | wrap_here (""); |
| 122 | } |
| 123 | } |
| 124 | /* If GDB dumps core, we'd like to see the complaints first. Presumably |
| 125 | GDB will not be sending so many complaints that this becomes a |
| 126 | performance hog. */ |
| 127 | gdb_flush (gdb_stderr); |
| 128 | va_end (args); |
| 129 | } |
| 130 | |
| 131 | /* Clear out all complaint counters that have ever been incremented. |
| 132 | If sym_reading is 1, be less verbose about successive complaints, |
| 133 | since the messages are appearing all together during a command that |
| 134 | reads symbols (rather than scattered around as psymtabs get fleshed |
| 135 | out into symtabs at random times). If noisy is 1, we are in a |
| 136 | noisy symbol reading command, and our caller will print enough |
| 137 | context for the user to figure it out. */ |
| 138 | |
| 139 | void |
| 140 | clear_complaints (int sym_reading, int noisy) |
| 141 | { |
| 142 | struct complaint *p; |
| 143 | |
| 144 | for (p = complaint_root->next; p != complaint_root; p = p->next) |
| 145 | { |
| 146 | p->counter = 0; |
| 147 | } |
| 148 | |
| 149 | if (!sym_reading && !noisy && complaint_series > 1 && !warning_hook) |
| 150 | { |
| 151 | /* Terminate previous series, since caller won't. */ |
| 152 | puts_filtered ("\n"); |
| 153 | } |
| 154 | |
| 155 | complaint_series = sym_reading ? 1 + noisy : 0; |
| 156 | } |
| 157 | |
| 158 | void |
| 159 | _initialize_complaints (void) |
| 160 | { |
| 161 | add_show_from_set |
| 162 | (add_set_cmd ("complaints", class_support, var_zinteger, |
| 163 | (char *) &stop_whining, |
| 164 | "Set max number of complaints about incorrect symbols.", |
| 165 | &setlist), |
| 166 | &showlist); |
| 167 | |
| 168 | } |